Cover window for a display device



FIG. 1 is a front perspective view of the cover window for a display device according to the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, with the right side view being a mirror image;

FIG. 5 is a top view thereof, with bottom view being a mirror image; and,

FIG. 6 is a rear perspective view thereof. 

CLAIM The ornamental design for the cover window for a display device, as shown and described. 